adverb
exactly; precisely; just; just right
Used when a time, number, amount, size, or degree matches exactly, or when something is just right for the situation.
ちょうど三時に駅に着いた。
I arrived at the station at exactly three o'clock.
この靴は私にちょうどいい。
These shoes are just right for me.
adverb
just in time; conveniently; fortunately
Covers the favorable-timing use, where something happens at just the right moment or turns out conveniently.
ちょうどよかった、君に聞きたいことがある。
Good timing; there's something I want to ask you.
バスがちょうど来たので、待たずに乗れた。
The bus came just at the right time, so I got on without waiting.
adverb
Used before comparison or resemblance patterns such as ように, みたいに, or かのように to mean that something is just like something else.
彼女はちょうど何も知らないかのように振る舞った。
She acted just as if she knew nothing.
外はちょうど台風が来たみたいに荒れている。
Outside, it is rough just like a typhoon has come.